 .c1{
    background-color: red;
    width: 50px;
    height: 30px;
    color: white;
    }
    .c3{
    text-align: center;
    word-spacing: 30px;
    font-size: 30px;
    }
    .c2{
    width: 80px;
    height: 50px;
    float: left;
    line-height: 100%;
    text-align: center;
    margin: 10px 75px;
    }
    main p{
    width: 180px;
    }
    main strong{
    color: red;
    }
    .pin{
    margin-top: 200px;
    text-align: center;
    }
   .duo{
    width: 30px;
    margin-top: 150px;
    }
    table{
     border: none;
    }
    .ch{
     color: darkgray;
     font-size: 15px;
    }
    .end{
    margin-left: 150px;
    }
    .jing{
     margin-left: 90px;
     color: darkgray;
    }
    .c4{
     margin-left: 350px;
     color: darkgray;
    }
    .c5{
     margin-left: 380px;
     color: darkgray;
    }
    .c6{
     font-size: 15px;
     color: darkgray;
     margin-left: 40px;
    }
    .picture{
    width: 100%;
     margin: 10px auto;
     overflow: hidden;
     text-align: center; 
    }

    .picture img{
     margin: 30px 50px;
     width: 100px;
    }